below book represents the science team is that this is a rock that was formed in the presence of water. we can characterize that with a vigorous flow of the surface of mars. >> scientists say that the stones are too large with out the presence of water. and their belief that there could be a water flow. >> we are looking at a much slower than usual drive. what would be considered the non-commute direction. and what might have otherwise been only 20 minutes is still 51 minutes. northbound through the san ramon valley. again, this is northbound from the san ramon, a dublin towards walnut creek. there have been too different accidents the north the first and worst is here if rockier road. and it has been nearly one hour. and both of these are clear we are left with this residuals life. a quick check of the bridges. that late accident at the base of the inclined. that backed up traffic all the way to the mes. however, he conceived of backup into this and toug this was not a hot spot as it has been for several days. with conditions of light and easy and at the golden gate you work or to see